Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Income Taxes (Details Textual)

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Note 16 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Effective Income Tax Rate Reconciliation, Percent 68.42% 73.37% 63.32% 72.59%
Income Tax Expense (Benefit), Favorable (Unfavorable) Oil Price Adjustment $ 500 $ 1,200 $ 2,700 $ 4,300
Current Income Tax Expense (Benefit)   20,400 24,700 26,100
Current Foreign Income Tax Expense (Benefit), Net Of Oil Price Adjustment   $ 19,200 22,000 21,800
Valuation Allowance, Deferred Tax Asset, Change in Amount, Discrete Item       $ 12,700
Unrecognized Tax Benefits $ 0   $ 0